fix: add v3 accesslog test server (#368)
fix: add v3 accesslog test server (#368)

Signed-off-by: titustian <2043333366752debef013c2c3fbded689c438c3e@tencent.com>
istio/go-control-plane,envoyproxy/go-control-plane,envoyproxy/go-control-plane,istio/go-control-plane